In one experiment, the researchers had people rate the characteristics of people with various given names or nicknames.[…]A person with a nickname like Liz, for example, would probably be rated as friendlier and more popular than a person with the given name Elizabeth, but Elizabeth would probably be rated more intelligent and trustworthy.

Used other than with a figurative or idiomatic meaning: seegiven,‎ name. A person's name.

2017, Lady Bird (film):

Professor: Lady Bird, is that your given name?

Christine "Lady Bird" McPherson: Yeah.

Professor: Why is it in quotes?

Christine "Lady Bird" McPherson: I gave it to myself, it’s given to me by me.